T34
Non-Billable

Frostbite with tissue necrosis

Non-Billable / Non-Specific Code

What is Frostbite with tissue necrosis?

ICD-10-CM T34 is the diagnosis code for Frostbite with tissue necrosis. This code falls under the section "Frostbite" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for T34

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where T34 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 10 entries
T34.0Frostbite with tissue necrosis of headNon-BillableT34.01Frostbite with tissue necrosis of earNon-BillableT34.011Frostbite with tissue necrosis of right earBillableT34.012Frostbite with tissue necrosis of left earBillableT34.019Frostbite with tissue necrosis of unspecified earBillableT34.02Frostbite with tissue necrosis of noseBillableT34.09Frostbite with tissue necrosis of other part of headBillableT34.1Frostbite with tissue necrosis of neckBillableT34.2Frostbite with tissue necrosis of thoraxBillableT34.3Frostbite with tissue necrosis of abdominal wall, lower back and pelvisBillableT34.4Frostbite with tissue necrosis of armNon-BillableT34.40Frostbite with tissue necrosis of unspecified armBillableT34.41Frostbite with tissue necrosis of right armBillableT34.42Frostbite with tissue necrosis of left armBillableT34.5Frostbite with tissue necrosis of wrist, hand, and finger(s)Non-BillableT34.51Frostbite with tissue necrosis of wristNon-BillableT34.511Frostbite with tissue necrosis of right wristBillableT34.512Frostbite with tissue necrosis of left wristBillableT34.519Frostbite with tissue necrosis of unspecified wristBillableT34.52Frostbite with tissue necrosis of handNon-BillableT34.521Frostbite with tissue necrosis of right handBillableT34.522Frostbite with tissue necrosis of left handBillableT34.529Frostbite with tissue necrosis of unspecified handBillableT34.53Frostbite with tissue necrosis of finger(s)Non-BillableT34.531Frostbite with tissue necrosis of right finger(s)BillableT34.532Frostbite with tissue necrosis of left finger(s)BillableT34.539Frostbite with tissue necrosis of unspecified finger(s)BillableT34.6Frostbite with tissue necrosis of hip and thighNon-BillableT34.60Frostbite with tissue necrosis of unspecified hip and thighBillableT34.61Frostbite with tissue necrosis of right hip and thighBillableT34.62Frostbite with tissue necrosis of left hip and thighBillableT34.7Frostbite with tissue necrosis of knee and lower legNon-BillableT34.70Frostbite with tissue necrosis of unspecified knee and lower legBillableT34.71Frostbite with tissue necrosis of right knee and lower legBillableT34.72Frostbite with tissue necrosis of left knee and lower legBillableT34.8Frostbite with tissue necrosis of ankle, foot, and toe(s)Non-BillableT34.81Frostbite with tissue necrosis of ankleNon-BillableT34.811Frostbite with tissue necrosis of right ankleBillableT34.812Frostbite with tissue necrosis of left ankleBillableT34.819Frostbite with tissue necrosis of unspecified ankleBillableT34.82Frostbite with tissue necrosis of footNon-BillableT34.821Frostbite with tissue necrosis of right footBillableT34.822Frostbite with tissue necrosis of left footBillableT34.829Frostbite with tissue necrosis of unspecified footBillableT34.83Frostbite with tissue necrosis of toe(s)Non-BillableT34.831Frostbite with tissue necrosis of right toe(s)BillableT34.832Frostbite with tissue necrosis of left toe(s)BillableT34.839Frostbite with tissue necrosis of unspecified toe(s)BillableT34.9Frostbite with tissue necrosis of other and unspecified sitesNon-BillableT34.90Frostbite with tissue necrosis of unspecified sitesBillableT34.99Frostbite with tissue necrosis of other sitesBillable
Related Codes

Frequently Asked Questions

Is T34 a billable ICD-10-CM code?

No, T34 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T34 mean?

T34 is the ICD-10-CM diagnosis code for "Frostbite with tissue necrosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is T34 in?

T34 is located in Section T33-T34 — "Frostbite" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T34?

T34 has 10 sub-code(s) that provide more specific detail: T34.0, T34.1, T34.2, T34.3, T34.4 and more.

When should I use T34?

Use T34 when the patients documented diagnosis matches "Frostbite with tissue necrosis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Frostbite with tissue necrosis?

The ICD-10-CM code for Frostbite with tissue necrosis is T34.

Can T34 be used for primary diagnosis?

No, T34 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T34 in?

T34 is in Chapter 19 of the ICD-10-CM Tabular List.

Is T34 valid for 2026?

Yes, T34 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT33.99Superficial frostbite of other sitesNext →T34.0Frostbite with tissue necrosis of head
Code Details
T34
Frostbite with tissue necrosis
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T33-T34 — Frostbite
2026 ICD-10-CM